______ trees are cut down in the forests every year.
#36306
A
Thousand
B
Thousands
C
Thousands of
D
Thousand of
推荐题目
The river is _______________.
#40970
A
fifty meter long
B
fifty-meter-long
C
fifty meters long
D
fifty-meters-long
The teachers never arrive late for work from Monday to Friday.
#43357
A
on weekends
B
on weekdays
C
every day
D
five times a week